1: NCIS star Sean Murray reflects on 21 years with the show.

2: A milestone for the actor as NCIS reaches 1000 episodes.

3: Murray's journey from a young actor to an NCIS staple.

4: The impact of his character, Tim McGee, on fans worldwide.

5: Behind-the-scenes secrets and memorable moments from filming.

6: Murray's gratitude for the show's loyal fan base and success.

7: The evolution of NCIS and Murray's character over two decades.

8: Favorite episodes and on-set experiences shared by the actor.

9: Looking ahead to the future of NCIS and Murray's career.